![](/images/new-backgrounds/1152894/15289477x1.webp)
Power sources
The computer can run on internal or external AC power. The following table indicates the best power sources for common tasks.
Task | Recommended power source | ||
|
| ||
Work in most software | ● Charged battery pack in the computer | ||
applications | ● External power supplied through one of the | ||
| |||
|
| following devices: | |
|
| ● | AC adapter |
|
| ● Optional expansion product (select | |
|
|
| models only) |
|
| ● | Optional power adapter |
|
| ||
Charge or calibrate a battery | External power supplied through | ||
pack in the computer | ● | AC adapter | |
| |||
| ● Optional expansion product (select models only) | ||
| ● | Optional power adapter |
Install or modify system software External power supplied through or write to a CD or DVD
●AC adapter
●Optional expansion product (select models only)
●Optional power adapter
WARNING! Do not charge the computer battery pack on board aircraft. Charging the battery pack may damage aircraft electronic systems.
ENWW | Power sources 29 |